United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 134
INVENTORATTORNEYS. i PETERS CCJ. PHOTO.LITHO. WASHINGTON, I (No Model.) No. 476.054, 2 Sheets—Sheet 2. J. P, MAGENIS. TELEPHONOGRAPH. Patented May 31, 1892. … ATTORNEYS. .. WASHINOTOK I United States Patent Office. JAMES P. MAGENIS, OF NORTH ADAMS, MASSACHUSETTS.TELEPHONOGRAPH. SPECIFICATION forming part of Letters Patent No. 476,054, dated May 31, 1892 Application filed July 23,1891, Serial No. 400,465, (No modeU To all whom it may concern: Be it known…
Phonograph · Patents
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